| 1. | Standard test methods for ph measurement of water of low conductivity 低传导率水ph值测量的试验方法 |
| 2. | Standard test method for specific aqueous conductance of trichlorotrifluoroethane 三氯三氟乙烷的特殊水质传导率的试验方法 |
| 3. | Method for determination of the relative hydraulic conductivity of permeable surfacings 可渗透表面的相对水力传导率的测定方法 |
| 4. | Standard specification for high - strength , high - conductivity copper - alloy wire for electronic application 电子用途的高强度高传导率铜合金线的标准规范 |
| 5. | Soil quality . method for measuring in situ the equivalent horizontal hydraulic conductivity and the drainage porosity . guyon method 土壤质量.等效的水平液压传导率和排水孔隙的现场测量方法. guyon法 |
| 6. | Optics and optical instruments - contact lenses - part 2 : determination of oxygen permeability and transmissibility by the coulometric method 光学和光学设备.隐形眼镜.第2部分:用库仑测定法对氧气渗透性和传导率的测定 |
| 7. | The anodic overpotential and reaction - rate distributions throughout the catalyst layer are affected by increasing the protonic conductivity to 增加电解质的传导率有助于阳极催化层过电位和反应速率均匀分布,从而提高dmfc的性能。 |
| 8. | The research results show that the radius of the gas channels and the electronic conductivity in carbon phase of the reaction layer , and the porosity of the gas diffusion layer are relatively less important 研究结果表明气体扩散层孔隙率,反应层气体通道的半径以及碳相中电子传导率等参数的变化对电极性能影响不大。 |
| 9. | The results in this study can be summarized by the following : ( 1 ) some difference of calculated soil hydraulic conductivity and soil matric potential are existed in different soil hydraulic models 研究结果表明:不同的土壤水力模式对土壤水力传导率和土壤水势的计算结果是有差异的,而这种差异会影响陆面模式中土壤湿度的模拟。 |
| 10. | Common test methods for cables under fire conditions - test on gas evolved during combustion of materials from cables - part 2 - 3 : procedures - determination of degree of acidity of gases for cables by determination of the weighted average of ph and conductivity 火灾时电缆的一般检验方法.电缆材料燃烧时所产生气体的检验.第2 - 3部分:检验方法.通过ph值和传导率的加权平均值的测定来确定电缆燃烧时产生气体的酸度等级 |